
<template>
    <div class="cmt-container">
        <h3>发表评论</h3>
        <hr> 
        <textarea placeholder="只能吐槽180字" maxlength="180" v-model="msg"></textarea>
        <mt-button type="primary" size="large" @click="postComment"></mt-button>发表评论</mt-button>
        <div class="cmt-list">
            <div class="cmt-item" v-for="(item,i) in comments" :key="item.add_time">
                <div class="cmt-title">
                    第{{i+1}}楼&nbsp;&nbsp;用户：{{item.user_name}}&nbsp;&nbsp;发表时间:{{item.add_time | dateFormat}}
                </div>
                <div class="cmt-body">
                   {{item.content==='undefind'?'此用户很懒':item.content}}
                </div>
            </div>
        </div>
        <mt-button type="danger" size="large" plain @clcik="getMore">加载更多</mt-button>
    </div>
</template>
<script>
import {Toast} from 'mint-ui'
export default {
    data(){
        return {
            pageindex:1,
            comments:[],
            msg:''
        }
    },
    created() {
        this.getComments()
    },
    methods: {
        getComments(){
            this.$http.get('api/getcomments/'+this.id+this.pageindex).then(result=>{
                if(result.body.status===0){
                    this.comments=this.comments.coacat(result.body.message)
                }else {
                    Toast('加载失败')
                }
            })
        },
        getMore(){
            this.pageindex++
            this.getComments()
        },
        postComment(){
            if(this.msg.trim().length){
                return Toast('评论不能为空')
            }
            this.$http.post('api/postcomment/'+this.$route.params.id,{content:this.msg.trim()
            }).then(function (result) {
                if(result.body.status===0){
                    var cmt={
                        user_name:'匿名用户',
                        add_time:Date.now(),
                        content:this.msg.trim() 
                    
                }
                this.comments.unshift(cmt)
                this.msg=''
                }
            })
        }
    },
    props:["id"]
}
</script>
<style lang="scss" scoped>
.cmt-container {
  h3 {
    font-size: 18px;
  }
  textarea {
    font-size: 14px;
    height: 85px;
    margin: 0;
  }

  .cmt-list {
    margin: 5px 0;
    .cmt-item {
      font-size: 13px;
      .cmt-title {
        line-height: 30px;
        background-color: #ccc;
      }
      .cmt-body {
        line-height: 35px;
        text-indent: 2em;
      }
    }
  }
}
</style>
